256052664353 has 8 divisors (see below), whose sum is σ = 260957410560. Its totient is φ = 251166747280.

The previous prime is 256052664349. The next prime is 256052664379. The reversal of 256052664353 is 353466250652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256052664353 - 2² = 256052664349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256052664298 and 256052664307.

It is not an unprimeable number, because it can be changed into a prime (256052664313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679825 + ... + 4734222.

It is an arithmetic number, because the mean of its divisors is an integer number (32619676320).

Almost surely, 2^256052664353 is an apocalyptic number.

It is an amenable number.

256052664353 is a deficient number, since it is larger than the sum of its proper divisors (4904746207).

256052664353 is an equidigital number, since it uses as much as digits as its factorization.

256052664353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414567.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 256052664353 in words is "two hundred fifty-six billion, fifty-two million, six hundred sixty-four thousand, three hundred fifty-three".